X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Fparse.c;h=a1348fe2d45333acfa69b4d106b71e205f55d29b;hp=ef8459645acb10a63f9d6bc37f4997cdd8f413e1;hb=9d2407dbc50ccebc8cfc3bb1748665a51cf506a0;hpb=356683ff6ea1c770f481483ddf7013cd03a1ef2e diff --git a/src/ngircd/parse.c b/src/ngircd/parse.c index ef845964..a1348fe2 100644 --- a/src/ngircd/parse.c +++ b/src/ngircd/parse.c @@ -9,77 +9,36 @@ * Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS. * - * $Id: parse.c,v 1.13 2002/01/04 01:20:02 alex Exp $ + * $Id: parse.c,v 1.32 2002/04/23 19:50:27 alex Exp $ * * parse.c: Parsen der Client-Anfragen - * - * $Log: parse.c,v $ - * Revision 1.13 2002/01/04 01:20:02 alex - * - Client-Strukruren werden nur noch ueber Funktionen angesprochen. - * - * Revision 1.12 2002/01/03 02:24:49 alex - * - neue Befehle NJOIN und SERVER begonnen. - * - * Revision 1.11 2002/01/02 02:43:22 alex - * - Copyright-Texte aktualisiert. - * - neuer Befehl ERROR. - * - * Revision 1.10 2001/12/31 15:33:13 alex - * - neuer Befehl NAMES, kleinere Bugfixes. - * - Bug bei PING behoben: war zu restriktiv implementiert :-) - * - * Revision 1.9 2001/12/31 02:18:51 alex - * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART), - * - neuen Header "defines.h" mit (fast) allen Konstanten. - * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes. - * - * Revision 1.8 2001/12/29 03:08:19 alex - * - Fuehrende und folgende Leerzeichen etc. in Requests werden geloescht. - * - Logmeldungen (mal wieder) ein wenig angepasst. - * - * Revision 1.7 2001/12/27 19:13:21 alex - * - neue Befehle NOTICE und PRIVMSG. - * - Debug-Logging ein wenig reduziert. - * - * Revision 1.6 2001/12/26 14:45:37 alex - * - "Code Cleanups". - * - * Revision 1.5 2001/12/26 03:23:03 alex - * - PING/PONG-Befehle implementiert. - * - * Revision 1.4 2001/12/25 22:04:26 alex - * - Aenderungen an den Debug- und Logging-Funktionen. - * - * Revision 1.3 2001/12/25 19:18:36 alex - * - Gross- und Kleinschreibung der IRC-Befehle wird ignoriert. - * - bessere Debug-Ausgaben. - * - * Revision 1.2 2001/12/23 21:56:47 alex - * - bessere Debug-Ausgaben, - * - Bug im Parameter-Parser behoben (bei "langem" Parameter) - * - erste IRC-Befehle werden erkannt :-) - * - * Revision 1.1 2001/12/21 23:53:16 alex - * - Modul zum Parsen von Client-Requests begonnen. */ -#include -#include "global.h" +#include "portab.h" -#include +#include "imp.h" #include +#include #include #include +#include "ngircd.h" #include "client.h" #include "conn.h" +#include "defines.h" #include "irc.h" +#include "irc-channel.h" +#include "irc-login.h" +#include "irc-mode.h" +#include "irc-oper.h" +#include "irc-server.h" +#include "irc-write.h" #include "log.h" #include "messages.h" #include "tool.h" -#include +#include "exp.h" #include "parse.h" @@ -94,16 +53,6 @@ LOCAL BOOLEAN Validate_Args( REQUEST *Req ); LOCAL BOOLEAN Handle_Request( CONN_ID Idx, REQUEST *Req ); -GLOBAL VOID Parse_Init( VOID ) -{ -} /* Parse_Init */ - - -GLOBAL VOID Parse_Exit( VOID ) -{ -} /* Parse_Exit */ - - GLOBAL BOOLEAN Parse_Request( CONN_ID Idx, CHAR *Request ) { /* Client-Request parsen. Bei einem schwerwiegenden Fehler wird @@ -117,7 +66,7 @@ GLOBAL BOOLEAN Parse_Request( CONN_ID Idx, CHAR *Request ) assert( Request != NULL ); #ifdef SNIFFER - Log( LOG_DEBUG, " <- connection %d: '%s'.", Idx, Request ); + if( NGIRCd_Sniffer ) Log( LOG_DEBUG, " <- connection %d: '%s'.", Idx, Request ); #endif Init_Request( &req ); @@ -133,6 +82,11 @@ GLOBAL BOOLEAN Parse_Request( CONN_ID Idx, CHAR *Request ) ptr = strchr( Request, ' ' ); if( ! ptr ) return Parse_Error( Idx, "Prefix without command!?" ); *ptr = '\0'; +#ifndef STRICT_RFC + /* multiple Leerzeichen als Trenner zwischen + * Prefix und Befehl ignorieren */ + while( *(ptr + 1) == ' ' ) ptr++; +#endif start = ptr + 1; } else start = Request; @@ -141,7 +95,15 @@ GLOBAL BOOLEAN Parse_Request( CONN_ID Idx, CHAR *Request ) /* Befehl */ ptr = strchr( start, ' ' ); - if( ptr ) *ptr = '\0'; + if( ptr ) + { + *ptr = '\0'; +#ifndef STRICT_RFC + /* multiple Leerzeichen als Trenner vor + *Parametertrennern ignorieren */ + while( *(ptr + 1) == ' ' ) ptr++; +#endif + } req.command = start; if( ! Validate_Command( &req )) return Parse_Error( Idx, "Invalid command" ); @@ -163,7 +125,15 @@ GLOBAL BOOLEAN Parse_Request( CONN_ID Idx, CHAR *Request ) { req.argv[req.argc] = start; ptr = strchr( start, ' ' ); - if( ptr ) *ptr = '\0'; + if( ptr ) + { + *ptr = '\0'; +#ifndef STRICT_RFC + /* multiple Leerzeichen als + * Parametertrenner ignorieren */ + while( *(ptr + 1) == ' ' ) ptr++; +#endif + } } req.argc++; @@ -237,7 +207,9 @@ LOCAL BOOLEAN Handle_Request( CONN_ID Idx, REQUEST *Req ) /* Client-Request verarbeiten. Bei einem schwerwiegenden Fehler * wird die Verbindung geschlossen und FALSE geliefert. */ - CLIENT *client; + CLIENT *client, *target, *prefix; + CHAR str[LINE_LEN]; + INT i; assert( Idx >= 0 ); assert( Req != NULL ); @@ -246,12 +218,57 @@ LOCAL BOOLEAN Handle_Request( CONN_ID Idx, REQUEST *Req ) client = Client_GetFromConn( Idx ); assert( client != NULL ); + /* Statuscode, der geforwarded werden muss? */ + if(( strlen( Req->command ) == 3 ) && ( atoi( Req->command ) > 100 )) + { + /* Befehl ist ein Statuscode */ + + /* Zielserver ermitteln */ + if(( Client_Type( client ) == CLIENT_SERVER ) && ( Req->argc > 0 )) target = Client_Search( Req->argv[0] ); + else target = NULL; + if( ! target ) + { + if( Req->argc > 0 ) Log( LOG_WARNING, "Unknown target for status code: \"%s\"", Req->argv[0] ); + else Log( LOG_WARNING, "Unknown target for status code!" ); + return TRUE; + } + if( target == Client_ThisServer( )) + { + Log( LOG_DEBUG, "Ignored status code %s from \"%s\".", Req->command, Client_ID( client )); + return TRUE; + } + + /* Quell-Client ermitteln */ + if( ! Req->prefix[0] ) + { + Log( LOG_WARNING, "Got status code without prefix!?" ); + return TRUE; + } + else prefix = Client_Search( Req->prefix ); + if( ! prefix ) + { + Log( LOG_WARNING, "Got status code from unknown source: \"%s\"", Req->prefix ); + return TRUE; + } + + /* Statuscode weiterleiten */ + strcpy( str, Req->command ); + for( i = 0; i < Req->argc; i++ ) + { + if( i < Req->argc - 1 ) strcat( str, " " ); + else strcat( str, " :" ); + strcat( str, Req->argv[i] ); + } + return IRC_WriteStrClientPrefix( target, prefix, str ); + } + if( strcasecmp( Req->command, "PASS" ) == 0 ) return IRC_PASS( client, Req ); else if( strcasecmp( Req->command, "NICK" ) == 0 ) return IRC_NICK( client, Req ); else if( strcasecmp( Req->command, "USER" ) == 0 ) return IRC_USER( client, Req ); else if( strcasecmp( Req->command, "SERVER" ) == 0 ) return IRC_SERVER( client, Req ); else if( strcasecmp( Req->command, "NJOIN" ) == 0 ) return IRC_NJOIN( client, Req ); else if( strcasecmp( Req->command, "QUIT" ) == 0 ) return IRC_QUIT( client, Req ); + else if( strcasecmp( Req->command, "SQUIT" ) == 0 ) return IRC_SQUIT( client, Req ); else if( strcasecmp( Req->command, "PING" ) == 0 ) return IRC_PING( client, Req ); else if( strcasecmp( Req->command, "PONG" ) == 0 ) return IRC_PONG( client, Req ); else if( strcasecmp( Req->command, "MOTD" ) == 0 ) return IRC_MOTD( client, Req ); @@ -266,10 +283,20 @@ LOCAL BOOLEAN Handle_Request( CONN_ID Idx, REQUEST *Req ) else if( strcasecmp( Req->command, "DIE" ) == 0 ) return IRC_DIE( client, Req ); else if( strcasecmp( Req->command, "RESTART" ) == 0 ) return IRC_RESTART( client, Req ); else if( strcasecmp( Req->command, "ERROR" ) == 0 ) return IRC_ERROR( client, Req ); + else if( strcasecmp( Req->command, "LUSERS" ) == 0 ) return IRC_LUSERS( client, Req ); + else if( strcasecmp( Req->command, "LINKS" ) == 0 ) return IRC_LINKS( client, Req ); + else if( strcasecmp( Req->command, "JOIN" ) == 0 ) return IRC_JOIN( client, Req ); + else if( strcasecmp( Req->command, "PART" ) == 0 ) return IRC_PART( client, Req ); + else if( strcasecmp( Req->command, "VERSION" ) == 0 ) return IRC_VERSION( client, Req ); + else if( strcasecmp( Req->command, "KILL" ) == 0 ) return IRC_KILL( client, Req ); + else if( strcasecmp( Req->command, "AWAY" ) == 0 ) return IRC_AWAY( client, Req ); + else if( strcasecmp( Req->command, "TOPIC" ) == 0 ) return IRC_TOPIC( client, Req ); + else if( strcasecmp( Req->command, "WHO" ) == 0 ) return IRC_WHO( client, Req ); + else if( strcasecmp( Req->command, "LIST" ) == 0 ) return IRC_LIST( client, Req ); /* Unbekannter Befehl */ - IRC_WriteStrClient( client, Client_ThisServer( ), ERR_UNKNOWNCOMMAND_MSG, Client_ID( client ), Req->command ); - Log( LOG_DEBUG, "User \"%s\": Unknown command \"%s\", %d %s,%s prefix.", Client_Mask( client ), Req->command, Req->argc, Req->argc == 1 ? "parameter" : "parameters", Req->prefix ? "" : " no" ); + if( Client_Type( client ) != CLIENT_SERVER ) IRC_WriteStrClient( client, ERR_UNKNOWNCOMMAND_MSG, Client_ID( client ), Req->command ); + Log( LOG_DEBUG, "Connection %d: Unknown command \"%s\", %d %s,%s prefix.", Client_Conn( client ), Req->command, Req->argc, Req->argc == 1 ? "parameter" : "parameters", Req->prefix ? "" : " no" ); return TRUE; } /* Handle_Request */